Mechanical Engineering : Engineering Materials QUESTIONS AND ANSWERS :: part4 : 1 to 5
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.Which is false statement about normalising. Normalising is done to |
| refine grain structure |
| reduce segregation in casting |
| improve mechanical properties |
| induce stresses- |
| relieve internal stresses. |
2.Argentite is the principal ore or raw material for |
| aluminium |
| tin |
| zinc |
| lead |
| silver. |
3.Chromium in steel |
| improves wear resistance, cutting ability and toughness |
| refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties |
| improves cutting ability and reduces hardenability |
| gives ductility, toughness, tensile strength and anticorrosion properties |
| makes steel hard. |
4.Which is false statement about tempering. Tempering is done to |
| improve machinability |
| improve ductility |
| improve toughness |
| release stresses |
| reduce hardness and brittleness. |
5.Hardness of upper bainite (acicular structure) is about |
| RC 65 |
| RC 48 |
| RC 57 |
| RC 80 |
| RC 32. |
More Engineering Materials QUESTIONS AND ANSWERS available in next pages
-
Health is the greatest gift, contentment is the greatest wealth -Buddha
- TNTET 2021 - Practice
- SSC CGL 2021 - Practice
- TNPSC Group 2A 2021 - Practice
- IIT JEE
- IIT JEE Q&A
- TNPSC Answer Keys
- TNPSC Group 2 Syllabus
-
TNPSC Q&A
- Online Tests - TNPSC
- Online Tests - GK
- IBPS 2020-2021
- Online Tests - Bank
- Online Tests - RRB NTPC
- Online Tests - UGC NET
- Online Tests - TANCET
- Online Aptitude Test
-
Engineering
-
Programming
-
Basic Science
-
Quiz
- Plus Two Question Papers
- SSLC Question Bank
-
Aptitude Tests
-
Logical Reasoning
-
General Knowledge-Hindi
-
Indian History MCQ
-
Indian Geography MCQ
-
Indian Civics MCQ
-
Indian Economics MCQ
-
CTET Biology MCQ
-
CTET Chemistry MCQ
-
CTET Physics Solved MCQ
-
Arithmetic Tests
- Press Release
- FAQ
- Coaching Centres
- TNPSC Group 1 Syllabus
-
TNPSC Group IV Syllabus
- TRB 2017 in English PDF
- TRB 2017 in Tamil PDF
- TET
- TNTET
A real entrepreneur is somebody who has no safety net underneath them. Henry Kravis
